<!DOCTYPE html>
<title>
  Multi-line column flex fragmentation: tall content inside constrained block.
</title>
<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/6056#issuecomment-951767882">
<link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#pagination">
<link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
<style>
  #flex {
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    height: 75px;
  }
  #flex > div {
    width: 50%;
  }
</style>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div style="width: 100px; height: 100px; background: red;">
  <div style="columns: 2; column-fill: auto; column-gap: 0; height: 75px;">
    <div id="flex">
      <div style="height: 50px; background: green;"></div>
      <div style="height: 25px; background: red;">
        <div style="contain: size; height: 50px; background: green;"></div>
        <div style="contain: size; height: 100px; background: green;"></div>
      </div>
      <div style="height: 50px; background: green;"></div>
      <div style="height: 25px; background: red;">
        <div style="contain: size; height: 50px; background: green;"></div>
        <div style="contain: size; height: 100px; background: green;"></div>
      </div>
    </div>
  </div>
</div>
